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    • 2. 发明授权
    • Process and plant for producing metal oxide from metal compounds
    • 用于从金属化合物生产金属氧化物的工艺和设备
    • US07662351B2
    • 2010-02-16
    • US10540071
    • 2003-12-13
    • Martin HirschWerner StockhausenMichael Ströder
    • Martin HirschWerner StockhausenMichael Ströder
    • C01F1/00F27B15/00F27B15/12F27B15/18B22F1/00F27B15/08F27B15/14F27B15/16
    • B01J8/384B01J8/0025B01J8/1827B01J8/1845B01J8/1863B01J8/1872C01B13/324C01F7/445F23C10/12F23C10/14Y02P20/129
    • The present invention relates to a process for producing metal oxide from metal compounds, in particular metal hydroxide or metal carbonate, in which the metal compound is conveyed into a reactor (25) with fluidized bed, heated there to a temperature of 650 15 to 1150° C. by combustion of fuel, and metal oxide is generated, as well as to a corresponding plant. To improve the utilization of energy, it is proposed to introduce a first gas or gas mixture from below through a gas supply tube (26) into a mixing chamber (20) of the reactor (25), the gas supply tube (26) being at least partly surrounded by a stationary annular fluidized bed (27) which is fluidized by supplying fluidizing gas, and 20 to adjust the gas velocities of the first gas or gas mixture and of the fluidizing gas for the annular fluidized bed (27) such that the Particle-Froude numbers in the gas supply tube (26) lie between 1 and 100, in the annular fluidized bed (27) between 0.02 and 2, and in the mixing chamber (20) between 0.3 and 30.
    • 本发明涉及一种由金属化合物,特别是金属氢氧化物或金属碳酸盐生产金属氧化物的方法,其中金属化合物被输送到具有流化床的反应器(25)中,加热到650-1510℃的温度 通过燃料燃烧产生金属氧化物,以及生成相应的工厂。 为了提高能量的利用率,提出从下方将第一气体或气体混合物从气体供给管(26)引入反应器(25)的混合室(20),气体供给管(26)为 至少部分地由通过供应流化气体流化的固定环形流化床(27)和20来调节第一气体或气体混合物和用于环形流化床(27)的流化气体的气体速度,使得 在环形流化床(27)为0.02和2之间,以及在混合室(20)中,0.3至30之间,气体供应管(26)中的粒子 - 弗劳德数位于1和100之间。
    • 10. 发明申请
    • Method and plant for removing gaseous pollutants from exhaust gases
    • 从废气中除去气态污染物的方法和设备
    • US20060228281A1
    • 2006-10-12
    • US10540437
    • 2003-11-14
    • Michael StröderStuart SneydKlaus Hasselwander
    • Michael StröderStuart SneydKlaus Hasselwander
    • B01D53/34
    • B01D53/685B01D53/12B01D53/508B01J8/1809B01J8/1818B01J8/1863B01J2208/00548B01J2208/00725
    • The present invention relates to a method for removing gaseous pollutants from exhaust gases, in which the gaseous pollutants react with a fine-grained reactant by forming solids in a fluidized-bed reactor (2), and to a corresponding plant. To achieve low pollutant concentrations in the clean gas with an almost stoichiometric consumption of reactant, it is proposed to introduce the exhaust gas from below through a preferably central gas supply tube (20) into a mixing chamber (21) of the reactor (2), the gas supply tube (20) being at least partly surrounded by a stationary annular fluidized bed (22) of reactant, which bed is fluidized by supplying fluidizing gas, and to adjust the the gas velocities of the exhaust gas and of the fluidizing gas for the annular fluidized bed (22) such that the Particle-Froude-Numbers in the gas supply tube (20) are between 1 and 100, in the annular fluidized bed (22) between 0.02 and 2, and in the mixing chamber (21) between 0.3 and 30.
    • 本发明涉及一种从排气中除去气态污染物的方法,其中气态污染物通过在流化床反应器(2)中形成固体和相应的设备与细粒反应物反应。 为了以几乎化学计量的反应物消耗清洁气体中的低污染物浓度,建议将来自下方的废气通过优选的中心气体供给管(20)引入反应器(2)的混合室(21) 气体供应管(20)至少部分地被反应物的固定环形流化床(22)包围,所述床通过供应流化气体而流化,并且调节废气和流化气体的气体速度 对于环形流化床(22),使得在环形流化床(22)中在0.02和2之间,并且在混合室(21)中,气体供给管(20)中的粒子 - 弗劳德数在1和100之间 )在0.3和30之间。